145033335440 has 40 divisors (see below), whose sum is σ = 385374292800. Its totient is φ = 49725714816.

The previous prime is 145033335437. The next prime is 145033335463. The reversal of 145033335440 is 44533330541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 145033335440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129493490 + ... + 129494609.

It is an arithmetic number, because the mean of its divisors is an integer number (9634357320).

Almost surely, 2^145033335440 is an apocalyptic number.

145033335440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145033335440 is an abundant number, since it is smaller than the sum of its proper divisors (240340957360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145033335440 is a wasteful number, since it uses less digits than its factorization.

145033335440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258988119 (or 258988113 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 145033335440 its reverse (44533330541), we get a palindrome (189566665981).

The spelling of 145033335440 in words is "one hundred forty-five billion, thirty-three million, three hundred thirty-five thousand, four hundred forty".